CVE-2026-17514 ZJONSSON node-unzipper extract.js Extract path traversal

Medium 4.8 Published Updated

A path traversal vulnerability in the node-unzipper library allows local attackers to read or modify files outside the intended directory.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-17514?

CVE-2026-17514 is a medium-severity path traversal vulnerability in ZJONSSON node-unzipper, published on 27 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability was determined in ZJONSSON node-unzipper up to 0.12.3. Affected by this vulnerability is the function Extract of the file lib/extract.js. This manipulation causes path traversal. The attack requires local access. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-22

Which versions are affected by CVE-2026-17514?

How do I fix CVE-2026-17514?

No fix has been published for CVE-2026-17514 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-17514 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-17514 exists.

Sources

Also known as GHSA-v23g-mcvj-659g.

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